However, now that I have erased the old OS and replaced it with XUbuntu how would I go about creating a USB stick that is bootable on. This was possible because I followed a tutorial online using the Disk Utility tool that was present on the old Mac OS. I have an old Mac-Mini that I was able to put XUbuntu onto. Mac-bootable USB from Ubuntu.
Ubuntu Bootable Usb Free USB MediaA USB flash drive made from the same image file booted fine with the help of rEFInd, though. This free USB media creation tool for Windows 10 and Mac can create USB Bootable media from ISO files devices with different settings like partition schemes, Cluster size, and file system.Note: For some reason, although I was able to install Ubuntu 10.10 from a CD to my 32-bit Mac Mini, the Ubuntu 12.04 CD hung. Brief overviewIf multiple USB devices are mounted, choose the one that you prefer from the drop-down menu under Devices. Below are the steps I went through to get this working. Finally I got it installed after picking up some tips from a few forums. This was a nightmare to finally find a method that works, as the standard documentation from the Ubuntu website did not apply to my machine.![]() Major kudos to all the authors and contributors in the mentioned blogs and threads for paving the way for this to work. This allowed me to boot and install a 64-bit version of Ubuntu without a DVD drive. Using unetbootin inside the 32-bit Ubuntu, I then made a bootable partition on my hard disk from a 64-bit Ubuntu ISO which could then be booted from the GRUB. Finally, using Unetbootin within my new 32-bit Ubuntu installation, I made a Frugal Install of a 64-bit Ubuntu Live ISO which I could then boot from the hard drive, allowing me to install a 64-bit version of Ubuntu and then dual-boot into into either one.To summarize this all up… I made a 32-bit bootable USB drive which installed a 32-bit version of Ubuntu along with the GRUB launcher. Following this, my 32-bit Ubunutu install booted with no issues. The instructions are similar to this post, with the exception that we’re using the file bootIA32.efi instead of bootX64.efi, which I tried earlier with both 32 and 64 bit Unbuntu install disks, but it didn’t work.Now you can go through the Ubuntu install once the Live USB has booted. Make bootable USB (32-bit)Download the obscure German USB creator from here.Format a USB stick to FAT32 and manauly create the folder structure efi/boot/ inside of it.Copy a 32-bit Ubuntu install ISO (I used 14.04 desktop) and the file bootIA32.efi from the german package into the /efi/boot directory you just created.Rename your 32-bit Ubuntu install ISO you just copied to boot.isoYour USB drive should now look like this: (image taken from my chormebook, the drive is named UNTITLED)Thats it! Now when you restart and hold down Alt, you can select the USB from the list of boot options, no Refit install required. Below are the detailed steps I took to get this working. However, after the installation finished, and before restarting for the first time, I followed these suggestions and installed and ran the boot-repair utility. None of the available locations worked for me, so I chose Continue without a boot loader.This isn’t quite as scary as it sounds, as you can still boot into your live USB if you restart without the boot loader having to be installed. At some point, I got an error which is something like Could not create boot loader in specified partition, please choose location to install boot loader. How many gb for mac os sierraI resized my 32-bit installation to a 20GB partition. Because we’ll be loading the 64-bit live CD from the hard disk, we cannot resize this partition during the installation, as the disk will be in use. I just booted from the 32-bit live USB again, then used gparted to resize my partitions. You’ll have to do some copy and pasting into the terminal, but the instructions are very clear within the installer.Install the new GRUB into the disk where Ubuntu is.Done! After restarting without the bootable USB drive, it goes straight into the GRUB loader and you can launch Ubuntu! (If you messed up a step and GRUB isn’t working, you can always just reinsert your bootable USB, restart the computer, then rerun the boot-repair app)Now that you have a working 32-bit version of Ubuntu, you can use Unetbootin to create a bootable partition on your hard disk to launch the 64-bit Live CD from.First, you must make sure you have enough free space to install the 64-bit version of Ubuntu. Press Recommended repairI selected No RAID when the option asked me if RAID was installed on my hard driveI then opted to uninstall any previous GRUB loader and reinstall a fresh one. It’ll automatically scan your computer and suggest repairs. Again in the installer, select Continue without boot loader option if the error comes up and install and run the boot-repair utility after to get the GRUB working right. The swap space from the previous 32-bit install will be reused for the 64-bit install, so u don’t need to create a new one. All I had to do was select the free space in the partition step of the installation and create a new ext4 partition from it with the mount point set as /. Here we’ll install UNetbootin, which will be used to create a bootable partition.Use UNetbootin to create a bootable partition from the 64-bit Live CD with the following settings:After the partition is created, reboot the computer when prompted to do so and select UNetbootin from the GRUB options and this will take you into the 64-bit Live CD.Launch the 64-bit Ubuntu Live ISO from the bootable partition and then install it along side your 32-bit install. You’ll have to do some fancy command line partitioning, as the LVM system works very differently, and there are not really any reliable GUI tools to do this.Now restart your computer and enter the 32-bit Ubuntu you just resized in the previous step. If you selected LVM (Logical Volume Management) when installing the 32-bit Ubuntu, you won’t be able to use gparted for this. Make bootable partition: You can use the frugal install section of this guide to make a bootable partition that launches the 64-bit Ubuntu Live ISO. How to manually create a boot loader with boot-repair in Ubuntu: This tells how you can complete the Unbuntu installation when the boot loader fails to install correctly. x86_64-efi not supported error when trying to boot from USB on mac: The explanation on why the x86_64-efi boot loader wont work on pre-2008 Mac Minis. Making a Bootable USB drive for old Mac Mini: Really good instructions on how to make a bootable USB using the obscure German forums method. The method described here was a mix-and-match between these four sources: Final commentsAll these steps worked for me, and I was dual booting both versions of UbuntuIf anything is unclear here, you can check the links to the blogs and threads I posted above (and again here down below).
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